אסיף מאגר המחקר החקלאי

Leaf anatomy of Caltha dioneaefolia Hooker (Ranunculaceae) – is this species carnivorous?

Year:

1985

Source of publication :

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Volume :

90

Co-Authors:

JOEL, D.M., Department of Botany, Hebrew University of Jerusalem, Jerusalem, 91904, Israel

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Abstract:

The leaf of C. dioneaefolia is composed of two pairs of lobes, each pair resembling a trap of the carnivorous plant Dionaea. The anatomy of the leaf was studied to examine the possibility that this species, like Dionaea, is carnivorous. Neither glandular structures, nor trigger hairs could be found, and it was concluded that C. dioneaefolia is non‐carnivorous. The leaf of C. dioneaefolia is dorsiventral. The inner surface of each leaf lobe is covered with a thick cuticle with numerous anomocytic stomata. The stomata seem to be functional, not occluded. The outer surface of each leaf lobe is covered with a thin cuticle and has no stomata. The mesophyll is of the conjugate type, with papillae both in the pallisade and in the spongy mesophyll cells. The conductive system is developed to only a limited extent. Copyright © 1985, Wiley Blackwell. All rights reserved

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